1、Into the unknownUnit 51 重点词汇1._ v.(因奇特或神秘而)激起的兴趣，引起的好奇心2._ n.运河3._ n.金字塔4._ n.衰败5._ adj.来自热带的；产于热带的6._ n.残垣断壁，废墟intriguecanalpyramiddownfalltropicalruin1 重点词汇7._ v.拒绝考虑，否定8._ n.逃跑，逃走；短假9._ v.后退；离开；退避10._ v.退缩，畏缩；(使)缩小，减少11._ n.失事的船；沉船12._ n.珊瑚dismissgetawayretreatshrinkshipwreckcoral1 重点词汇13._ adj.等
2、同的；等值的；相当的14._ n.物质15._ adv.此外；而且；不仅如此equivalentsubstancefurthermore佳句背诵Long before there used to be a glorious city with canals around it.People lived by the canals for generations.However，centuries later it began to decline and fell into ruin.At first，some old people dismissed the idea of leaving
3、the place.As time went by，some old people passed away，and some others made a getaway from it，retreating to other cities with their young children.Furthermore，the canals gradually dried up.This was what archaeologists concluded from archaeological records found in some shipwrecks.Among the records，th
4、e most notable is an ice-like substance.2 拓展词汇1._ n.文明(社会)_ v.文明化；教化 _ adj.文明的2._ v.将埋在下面 _ n.埋葬；葬礼 _ adj.埋葬的；掩埋的civilisation/civilizationcivilise/civilizecivilised/civilizedburyburialburied2 拓展词汇3._ n.天文学 _ n.天文学家 _ n.宇航员4._ v.离弃，逃离 _ adj.被离弃的；被遗弃的 _ n.离弃；遗弃astronomyastronomerastronautabandonabando
5、nedabandonment2 拓展词汇5._ n.扩大；增加 _ v.扩大；扩张；扩展6._ n.调查 _ v.调查 _ n.调查者，侦查员expansionexpandinvestigationinvestigateinvestigator2 拓展词汇7._ adj.考古学的；考古的 _ n.考古学 _ n.考古学家8._ n.毫米 _ n.米 _ n.千米archaeologicalarchaeologyarchaeologistmillimetremetrekilometre2 拓展词汇9._ adj.显要的；显著的；值得注意的 _ v.注意 _ adv.显要地；显著地10._ n.钻
6、探；勘探；训练 _ v.钻孔；演习n.训练；钻孔机notablenotenotablydrillingdrill佳句背诵1.The mark of a civilized society is that it looks after its weakest members，while environmental damage threatens the whole of civilization.2.The chairwoman suggested expanding the business but not all the workers were in favor of the expan
7、sion.3.Experts went there，investigated the issue and conducted tests，which might push the investigation and contribute to the solution of the problem.4.After months of drilling，fortunately，oil was found off the coast.3 核心短语1._(因无人照料而)衰落，败落2._与相符，相当于3._除之外，在之上4._ 把应用到上5._更加6._ 逃跑，逃走7._ 逃命fall into ru
8、incorrespond toon top ofapply.to.all the moremake a getawayrun for ones life3 核心短语8._ 避开；从处脱身9._ 调查，检查10._ 动身踏上(漫长的)旅途11.throw oneself into _12.think twice _13.shrink from _14.set sail _steer clear ofcheck outset out积极投入到中去再三考虑，慎重考虑避免做，不愿做起航3 核心短语15.be equivalent to _16.beyond the reach of _17.hold
9、a record_18.look into _等同于超出的能力之外保持纪录调查(问题)短语块记联想归纳分组积累第一组(fall短语)fall ill 生病fall asleep 入睡，睡着fall behind 落后fall off 跌落，下降fall down 跌倒，失败fall in love with.爱上短语块记联想归纳分组积累第二组(look短语)look down on/upon 轻视，瞧不起look out for 注意察看，留心look back(on)回忆，回顾look up to 尊敬，敬仰短语块记联想归纳分组积累第三组(throw短语)throw away 扔掉throw at 掷向，投向throw oneself onto 扑倒在上throw light on 阐明Thank you
